Please follow the following AMENDED RULE 67 for issue of DUPLICATE PASS CERTIFICATE:
A candidate may obtain duplicate/triplicate certificate on payment of the prescribed fee and submission of an application on a prescribed form in the event of loss/theft/mutilation of the original certificate provided that an affidavit is filed to that effect before an official not below the rank of a first class Magistrate/Notary Public or a Member of the Governing Body of the Board. Further the person requesting for duplicate or triplicate certificate would notify the loss/theft/mutilation of the certificate through Press Note / advertisement in some leading Newspaper and shall submit the Press Clipping to the Board along with the application and the affidavit.
You can download the application form from the Board's website www.cbse.nic.in > Forms.
Love is composed of a single soul inhabiting two bodies. - Aristotle